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08 Oct 02:20

A low-power biomimetic collision detector based on an in-memory molybdenum disulfide photodetector

by Darsith Jayachandran

Nature Electronics, Published online: 24 August 2020; doi:10.1038/s41928-020-00466-9

By integrating a MoS2 photodetector with a floating-gate memory device, a nanoscale collision detector can be created that mimics the escape response of the lobula giant movement detector neuron.
28 Aug 06:57

Neutral and charged dark excitons in monolayer WS2

Nanoscale, 2020, 12,18153-18159
DOI: 10.1039/D0NR04243A, Paper
M. Zinkiewicz, A. O. Slobodeniuk, T. Kazimierczuk, P. Kapuściński, K. Oreszczuk, M. Grzeszczyk, M. Bartos, K. Nogajewski, K. Watanabe, T. Taniguchi, C. Faugeras, P. Kossacki, M. Potemski, A. Babiński, M. R. Molas
The properties of dark excitons and dark trions are investigated in a monolayer of WS2 encapsulated in hexagonal BN.
The content of this RSS Feed (c) The Royal Society of Chemistry
28 Aug 06:57

Twisted 1T TaS2 bilayers by lithiation exfoliation

Nanoscale, 2020, 12,18031-18038
DOI: 10.1039/D0NR05148A, Communication
Hui Li, Pan Liu, Qi Liu, Ruichun Luo, Chenguang Guo, Ziqian Wang, Pengfei Guan, Christopher Florencio Aleman, Fuqiang Huang, Mingwei Chen
Atomic-scale observations reveal the existence of eight twist commensurate configurations in twisted 1T TaS2 bilayers synthesized by lithiation exfoliation.
The content of this RSS Feed (c) The Royal Society of Chemistry
28 Aug 06:56

Recent advances in ultrathin two-dimensional materials and biomedical applications for reactive oxygen species generation and scavenging

Nanoscale, 2020, 12,19516-19535
DOI: 10.1039/D0NR05746K, Review Article
Lifeng Wang, Yan Li, Lin Zhao, Zhaojun Qi, Jingyun Gou, Sha Zhang, Jin Zhong Zhang
ROS play an important role physiological processes. Two dimensional materials possess ROS scavenging performance in dark or ROS generation ability under light stimuli. This review providing an overview of 2D materials in ROS related field.
The content of this RSS Feed (c) The Royal Society of Chemistry
28 Aug 06:55

Highly tunable anisotropic co-deformation of black phosphorene superlattices

Nanoscale, 2020, 12,19787-19796
DOI: 10.1039/D0NR04781C, Paper
Jianxiong Miao, Shujian Chen, Qianhui Zhang, Jinyang Jiang, Wenhui Duan
Intercalated amphiphiles provide a new mechanism for tuning the band structure and electrical properties of phosphorene superlattices.
The content of this RSS Feed (c) The Royal Society of Chemistry
28 Aug 06:53

Bloch ferromagnetism of composite fermions

by Md Shafayat Hossain

Nature Physics, Published online: 17 August 2020; doi:10.1038/s41567-020-1000-z

Composite fermions can be tuned to very low effective density in a clean two-dimensional electron gas, which allows the formation of a Bloch ferromagnet.
28 Aug 06:53

Strong coupling and pressure engineering in WSe2–MoSe2 heterobilayers

by Juan Xia

Nature Physics, Published online: 24 August 2020; doi:10.1038/s41567-020-1005-7

High-quality WSe2–MoSe2 heterostructures support strong coupling between the two layers, which is associated with tight hybridization and effective charge separation. In these structures, the bands of the interlayer excitons can be pressure-engineered.
28 Aug 06:52

Flipping handedness in ferrimagnets

by Satoshi Okamoto

Nature Materials, Published online: 20 August 2020; doi:10.1038/s41563-020-0779-4

Controlling the handedness of magnetic excitations in magnetic materials is crucial for magnonic applications. Ferrimagnets provide a promising route.
28 Aug 06:52

A bis(silylene)-stabilized diphosphorus compound and its reactivity as a monophosphorus anion transfer reagent

by Yuwen Wang

Nature Chemistry, Published online: 17 August 2020; doi:10.1038/s41557-020-0518-0

White phosphorus (P4) is very reactive but is relatively difficult to activate without relying on transition metals. Now, it has been shown that the degradation of P4 can be mediated by two divalent silicon atoms in a bis(silylene) scaffold to give a diphosphorus complex that can be further functionalized and also act as a P− transfer agent.
20 Aug 05:58

Multi-level flash memory device based on stacked anisotropic ReS2–boron nitride–graphene heterostructures

Nanoscale, 2020, 12,18800-18806
DOI: 10.1039/D0NR03965A, Paper
Enxiu Wu, Yuan Xie, Shijie Wang, Daihua Zhang, Xiaodong Hu, Jing Liu
Direction-sensitive multi-level flash memory based on stacked anisotropic ReS2–boron nitride–graphene heterostructures.
The content of this RSS Feed (c) The Royal Society of Chemistry
20 Aug 05:58

Integration of bubble phobicity, gas sensing and friction alleviation into a versatile MoS2/SnO2/CNF heterostructure by an impressive, simple and effective method

Nanoscale, 2020, 12,18629-18639
DOI: 10.1039/D0NR05378C, Communication
Fuchao Yang, Caiyun Wang, Zhiguang Guo
The design strategy is to anchor MoS2/SnO2 beads onto one-dimensional CNFs for bubble phobicity, gas sensing and friction alleviation.
The content of this RSS Feed (c) The Royal Society of Chemistry
20 Aug 05:57

Exciton–phonon coupling and power dependent room temperature photoluminescence of sulphur vacancy doped MoS2via controlled thermal annealing

Nanoscale, 2020, 12,18899-18907
DOI: 10.1039/D0NR05229A, Paper
Dario Mastrippolito, Stefano Palleschi, Gianluca D'Olimpio, Antonio Politano, Michele Nardone, Paola Benassi, Luca Ottaviano
A direct investigation of the exciton–phonon coupling in 2D doped MoS2 by means of power dependent photoluminescence and resonant Raman spectroscopy at room temperature.
The content of this RSS Feed (c) The Royal Society of Chemistry
20 Aug 05:56

High-performance monolayer Na3Sb shrinking transistors: a DFT-NEGF study

Nanoscale, 2020, 12,18931-18937
DOI: 10.1039/D0NR04129G, Paper
Wenhan Zhou, Shengli Zhang, Shiying Guo, Hengze Qu, Bo Cai, Xiang Chen, Haibo Zeng
2D materials with direct bandgaps and high carrier mobility are considered excellent candidates for next-generation electronic and optoelectronic devices.
The content of this RSS Feed (c) The Royal Society of Chemistry
20 Aug 05:56

van der Waals oxide heteroepitaxy for soft transparent electronics

Nanoscale, 2020, 12,18523-18544
DOI: 10.1039/D0NR04219F, Review Article
Yugandhar Bitla, Ying-Hao Chu
Soft transparent electronics based on oxide van der Waals heteroepitaxy are reviewed.
The content of this RSS Feed (c) The Royal Society of Chemistry
20 Aug 05:54

Large exchange splitting in monolayer graphene magnetized by an antiferromagnet

by Yingying Wu

Nature Electronics, Published online: 10 August 2020; doi:10.1038/s41928-020-0458-0

Monolayer graphene can be magnetized by coupling to an antiferromagnetic thin film of chromium selenide, resulting in an exchange splitting energy as high as 134 meV at 2 K.
20 Aug 05:54

Paper circuits in 2D

by Stuart Thomas

Nature Electronics, Published online: 18 August 2020; doi:10.1038/s41928-020-00467-8

Paper circuits in 2D
20 Aug 05:54

Analogue two-dimensional semiconductor electronics

by Dmitry K. Polyushkin

Nature Electronics, Published online: 17 August 2020; doi:10.1038/s41928-020-0460-6

An operational amplifier that uses the two-dimensional semiconductor molybdenum disulfide as the active material can be used to create complex analogue circuits, including inverters, integrators and amplifiers.
20 Aug 05:54

An analogue future for 2D

Nature Electronics, Published online: 18 August 2020; doi:10.1038/s41928-020-00469-6

Two-dimensional materials could first find widespread commercial application in analogue electronics, rather than as a replacement for silicon in digital devices.
20 Aug 05:53

High-temperature quantum anomalous Hall regime in a MnBi2Te4/Bi2Te3 superlattice

by Haiming Deng

Nature Physics, Published online: 17 August 2020; doi:10.1038/s41567-020-0998-2

A three-dimensional topological magnetic superlattice structure exhibits the quantum anomalous Hall effect when the Fermi energy is tuned into the correct energy window.
20 Aug 05:53

Search for axion-like dark matter with ferromagnets

by Alexander V. Gramolin

Nature Physics, Published online: 17 August 2020; doi:10.1038/s41567-020-1006-6

The presence of axion-like dark matter candidates is expected to induce an oscillating magnetic field, enhanced by a ferromagnet. Limits on the electromagnetic coupling strength of axion-like particles are reported over a mass range spanning three decades.
20 Aug 05:52

Direct observation of highly confined phonon polaritons in suspended monolayer hexagonal boron nitride

by Ning Li

Nature Materials, Published online: 17 August 2020; doi:10.1038/s41563-020-0763-z

Monochromatic electron energy-loss spectroscopy enables the observation of highly confined and ultraslow hyperbolic phonon polaritons in suspended monolayer hexagonal boron nitride, expanding the potential of van der Waals materials for nanophotonic applications.
20 Aug 05:49

Evidence of flat bands and correlated states in buckled graphene superlattices

by Jinhai Mao

Nature, Published online: 12 August 2020; doi:10.1038/s41586-020-2567-3

Buckled monolayer graphene superlattices are found to provide an alternative to twisted bilayer graphene for the study of flat bands and correlated states in a carbon-based material.
11 Aug 06:12

Gate-tunable trion binding energy in monolayer MoS2 with plasmonic superlattice

Nanoscale, 2020, 12,17754-17761
DOI: 10.1039/D0NR02104K, Paper
Zhuang Luo, Hao Jia, Liu Lv, Quan Wang, Xiaohong Yan
Two-dimensional transition metal dichalcogenides exhibit promising potential and attract the attention of the world in the application of optoelectronic devices owing to their distinctive physical and chemical properties.
The content of this RSS Feed (c) The Royal Society of Chemistry
11 Aug 06:12

Noble metal nanoclusters-decorated NiFe layered double hydroxide superstructure as nanoreactors for selective hydrogenation catalysis

Nanoscale, 2020, 12,17780-17785
DOI: 10.1039/D0NR03007D, Paper
Hao Zhang, Xiaoying Guo, Xun Wang
The ability to conduct the self-assembly of nanometer-scale building blocks is the core issue in achieving “bottom-up” fabrications of desired superstructures.
The content of this RSS Feed (c) The Royal Society of Chemistry
11 Aug 06:09

Photoelectric effect with a twist

by Giovanni De Ninno

Nature Photonics, Published online: 10 August 2020; doi:10.1038/s41566-020-0669-y

The findings that the spatial distribution of an optical field with vortex phase profile can be imprinted coherently onto a propagating electron wave reveal new aspects of light–matter interactions and will help develop future single-photon electron spectroscopy.
11 Aug 06:02

Direct observation of two-dimensional magnons in atomically thin CrI3

by John Cenker

Nature Physics, Published online: 10 August 2020; doi:10.1038/s41567-020-0999-1

Magnons are collective excitations that dictate many of a magnet’s low-temperature properties. By means of Raman scattering, the magnon spectra of CrI3 are measured in the monolayer limit.
11 Aug 06:02

Giant Stark splitting of an exciton in bilayer MoS2

by Nadine Leisgang

Nature Nanotechnology, Published online: 10 August 2020; doi:10.1038/s41565-020-0750-1

Interlayer excitons in bilayer MoS2 exhibit both a high oscillator strength and highly tunable energies in an applied electric field.
08 Aug 11:36

Covalently functionalized layered MoS2 supported Pd nanoparticles as highly active oxygen reduction electrocatalysts

Nanoscale, 2020, 12,18278-18288
DOI: 10.1039/D0NR04446F, Paper
Open Access Open Access
Dimitrios K. Perivoliotis, Yuta Sato, Kazu Suenaga, Nikos Tagmatarchis
The excellent performance of PdNPs/MoS2 toward the electrocatalytic ORR is presented.
The content of this RSS Feed (c) The Royal Society of Chemistry
08 Aug 11:35

First-principles exploration of superconductivity in MXenes

Nanoscale, 2020, 12,17354-17361
DOI: 10.1039/D0NR03875J, Paper
Jonas Bekaert, Cem Sevik, Milorad V. Milošević
New superconducting MXenes are presented, discovered through extensive first-principles exploration, furthermore hosting interplay with other quantum phases, such as charge density waves.
The content of this RSS Feed (c) The Royal Society of Chemistry
08 Aug 11:35

Native high-k oxides for 2D transistors

by Yury Yu. Illarionov

Nature Electronics, Published online: 05 August 2020; doi:10.1038/s41928-020-0464-2

The two-dimensional semiconductor Bi2O2Se can be oxidized to create an atomically thin layer of Bi2SeO5 that can be used as the insulator in scaled field-effect transistors.